JAGUAR 1930-1959
   
2½ litre (1946-48)
Engine
Bore & Stroke 73mm x 106mm
Displacement 2663.7cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 - 60 lb./sq. in.


Fuel Supply
Carburetor SU Twin
Standard needle DS
Rich needle CB
Weak needle EQ


Valving
Intake tappet clearance 0.012" (hot)
Exhaust tappet clearance 0.015" (hot)
Valve-timing indication Timing gears
Intake valve opens 16° BTDC


Ignition
Breaker gap 0.010" - 0.012"
Plug gap 0.020" - 0.025"
Ignition timing indication -
Ignition timing 10° BTDC


Clutch
Clutch type Single Dry Plate
Clutch linings -


Brakes
Brake type Girling 2LS
Brake linings Ferodo MZ


Wheel Alignment
Toe-In 1⁄8"
Camber 2½°
Caster angle 3°
King pin angle 7½°


2½ litre Mk. V (1949-50)
Engine
Bore & Stroke 73mm x 106mm
Displacement 2663.7cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 - 60 lb./sq. in.


Fuel Supply
Carburetor SU Twin
Standard needle R3
Rich needle 81
Weak needle 2


Valving
Intake tappet clearance 0.012" (hot)
Exhaust tappet clearance 0.015" (hot)
Valve-timing indication Timing gears
Intake valve opens 10° BTDC


Ignition
Breaker gap 0.010" - 0.012"
Plug gap 0.022" - 0.025"
Ignition timing indication -
Ignition timing 5° BTDC


Clutch
Clutch type Borg & Beck Single Dry Plate
Clutch linings Ferodo


Brakes
Brake type Girling 2LS Hydraulic
Brake linings Ferodo MZ41 (later models: Mintex M14)


Wheel Alignment
Toe-In 1⁄8" to 3⁄16"
Camber +1¾° to 2°
Caster angle -¾°
King pin angle 5°


3½ litre (1946-48)
Engine
Bore & Stroke 82mm x 110mm
Displacement 3485.5cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 - 60 lb./sq. in.


Fuel Supply
Carburetor SU Twin
Standard needle DY
Rich needle AQ
Weak needle GA


Valving
Intake tappet clearance 0.012" (hot)
Exhaust tappet clearance 0.015" (hot)
Valve-timing indication Timing gears
Intake valve opens 16° BTDC


Ignition
Breaker gap 0.010" - 0.012"
Plug gap 0.022" - 0.025"
Ignition timing indication -
Ignition timing 10° BTDC


Clutch
Clutch type Single Dry Plate
Clutch linings -


Brakes
Brake type Girling 2LS
Brake linings Ferodo MZ


Wheel Alignment
Toe-In 1⁄8"
Camber 21½°
Caster angle 3°
King pin angle 7½°


3½ litre Mk. V OHV (1949-50)
Engine
Bore & Stroke 82mm x 110mm
Displacement 3485.5cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 - 60 lb./sq. in.


Fuel Supply
Carburetor SU Twin
Standard needle FW


Valving
Intake tappet clearance 0.012" (hot)
Exhaust tappet clearance 0.015" (hot)
Valve-timing indication Timing gears
Intake valve opens 10° BTDC


Ignition
Breaker gap 0.010" - 0.012"
Plug gap 0.022" - 0.025"
Ignition timing indication -
Ignition timing 5° BTDC


Clutch
Clutch type Borg & Beck Single Dry Plate
Clutch linings Ferodo


Brakes
Brake type Girling 2LS Hydraulic
Brake linings Ferodo MZ41 (later models: Mintex M14)


Wheel Alignment
Toe-In 1⁄8" to 3⁄16"
Camber +1¾° to 2°
Caster angle -¾°
King pin angle 5°


3½ litre XK120 and XK120 coupe (1949-50)
Engine
Bore & Stroke 83mm x 106mm
Displacement 3442cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU Twin
Standard needle RF
Rich needle 53
Weak needle RG


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Flywheel and camshafts
Intake valve opens 15° BTDC


Ignition
Breaker gap 0.010" - 0.012"
Plug gap 0.022"
Ignition timing indication -
Ignition timing 5° BTDC


Clutch
Clutch type Borg & Beck Single Dry Plate
Clutch linings Ferodo


Brakes
Brake type Lockheed 2LS Hydraulic
Brake linings Mintex M15 (later models: Mintex M14)


Wheel Alignment
Toe-In 1⁄8" to 3⁄16"
Camber +1¾° to 2°
Caster angle +4¾° to 5¼° (Later models and coupe: +3°)
King pin angle 5°


XK140 (1955)
Engine
Bore & Stroke 83mm x 106mm
Displacement 3442cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU Twin
Needle Needles vary according to tunin


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication TDC marks on flywheel and crankcase
Intake valve opens 15° BTDC


Ignition
Breaker gap 0.014" - 0.016"
Plug gap 0.022"
Ignition timing indication Crankshaft damper
Ignition timing 8° BTDC (7:1 compression ratio);
10° BTDC (8:1 compression ratio)


Clutch
Clutch type Borg & Beck 10" Single Dry Plate
Clutch linings -


Brakes
Brake type Lockheed Hydraulic
Brake linings Mintex M20)


Wheel Alignment
Toe-In 0" to 1⁄8"
Camber ½° to 1° positive
Caster angle 2½° to 3° positive
King pin angle 5°


3½ litre Mk. VII (1951-54)
Engine
Bore & Stroke 83mm x 106mm
Displacement 3442cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU Twin
Standard needle SM (7:1 compression ratio);
SR (8:1 compression ratio)
Rich needle RH
Weak needle SL


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Flywheel and camshafts
Intake valve opens 10° BTDC


Ignition
Breaker gap 0.010" - 0.012"; (later models: 0.014" - 0.016")
Plug gap 0.022"
Ignition timing indication -
Ignition timing 5° BTDC


Clutch
Clutch type Borg & Beck Single Dry Plate
Clutch linings Ferodo


Brakes
Brake type Girling Hydraulic (self-adjusting front)
Brake linings Ferodo DM8WM front; Ferodo M81 rear


Wheel Alignment
Toe-In 1⁄8" to 3⁄16"
Camber +¾° to 1¼°
Caster angle 0°±¼°
King pin angle 8°


3½ litre Mk. VII (1951-54)
Engine
Bore & Stroke 83mm x 106mm
Displacement 3442cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU Twin
Standard needle SM (7:1 compression ratio);
SR (8:1 compression ratio)
Rich needle RH
Weak needle SL


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Flywheel and camshafts
Intake valve opens 10° BTDC


Ignition
Breaker gap 0.010" - 0.012"; (later models: 0.014" - 0.016")
Plug gap 0.022"
Ignition timing indication -
Ignition timing 5° BTDC


Clutch
Clutch type Borg & Beck Single Dry Plate
Clutch linings Ferodo


Brakes
Brake type Girling Hydraulic (self-adjusting front)
Brake linings Ferodo DM8WM front; Ferodo M81 rear


Wheel Alignment
Toe-In 1⁄8" to 3⁄16"
Camber +¾° to 1¼°
Caster angle 0°±¼°
King pin angle 8°


2.4 litre (1956)
Engine
Bore & Stroke 83mm x 76.5mm
Displacement 2483cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor Solex 32 PB15
Choke 25mm
Main 115
Compensating 160
Pump 55
Pilot 60


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Flywheel and camshafts
Intake valve opens 10° BTDC


Ignition
Breaker gap 0.010" - 0.012"; (later models: 0.014" - 0.016")
Plug gap 0.022"
Ignition timing indication -
Ignition timing 5° BTDC


Clutch
Clutch type Borg & Beck Single Dry Plate
Clutch linings Ferodo


Brakes
Brake type Girling Hydraulic (self-adjusting front)
Brake linings Ferodo DM8WM front; Ferodo M81 rear


Wheel Alignment
Toe-In 1⁄8" to 3⁄16"
Camber +¾° to 1¼°
Caster angle 0°±¼°
King pin angle 8°


2.4 litre (1957-59)
Engine
Bore & Stroke 83mm x 76.5mm
Displacement 2483cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor Solex B32 PB15
Choke 24mm (8:1 Compression ratio);
23mm (7:1 compression ratio)
Main 110
Air correction 110 (8:1 comp ratio);
200 (7:1 comp ratio)
Pump 55
Slow Running 50


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Gauge engages with groove in camshaft
Intake valve opens 10° BTDC at 0.010" clearance


Ignition
Breaker gap 0.014" - 0.016"
Plug gap 0.030"
Ignition timing indication Scale on crankshaft damper
Ignition timing 6° BTDC (8:1 comp ratio);
4° BTDC (7:1 comp ratio)


Clutch
Clutch type Borg & Beck or Automatic
Clutch linings -


Brakes
Brake type Lockheed Hydraulic vac-servo assisted or Dunlop Disc
Brake linings -


Wheel Alignment
Toe-In 0" to 1⁄16"
Camber ½° to 1° positive
Caster angle -½° to -1°
King pin angle 6¾°


Mark VIII (1957-58)
Engine
Bore & Stroke 83mm x 106mm
Displacement 3442cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU HD6 (twin)
Needles TL


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Gauge engages with groove in camshaft
Intake valve opens 15° BTDC at 0.010" clearance


Ignition
Breaker gap 0.014" - 0.016"
Plug gap 0.022"
Ignition timing indication Scale on crankshaft damper
Ignition timing 6° BTDC


Clutch
Clutch type Borg & Beck or Automatic
Clutch linings -


Brakes
Brake type Girling Hydraulic vac-servo assisted
Brake linings -


Wheel Alignment
Toe-In 1⁄8" to 3⁄16"
Camber 1° ± ¼°
Caster angle 0° ± ¼°
King pin angle 8°


Mark IX (1959)
Engine
Bore & Stroke 87mm x 106mm
Displacement 3781cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU HD6 (twin)
Needles TU


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Gauge engages with groove in camshaft
Intake valve opens 15° BTDC at 0.010" clearance


Ignition
Breaker gap 0.014" - 0.016"
Plug gap 0.025"
Ignition timing indication Scale on crankshaft damper
Ignition timing 4° BTDC (8:1 comp. ratio);
5° BTDC (9:1 comp. ratio)


Clutch
Clutch type Borg & Beck 10"
Clutch linings -


Brakes
Brake type Dunlop Disc
Brake linings Mintex M33


Wheel Alignment
Toe-In 1⁄8" to 3⁄16"
Camber 1° ± ¼°
Caster angle 0° ± ¼°
King pin angle 8°


3.4 litre (1957-59)
Engine
Bore & Stroke 83mm x 106mm
Displacement 3442cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU HD6 (twin)
Needles TL (SC needle with oil-bath air cleaner)


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Gauge engages with groove in camshaft
Intake valve opens 15° BTDC at 0.010" clearance


Ignition
Breaker gap 0.014" - 0.016"
Plug gap 0.025"
Ignition timing indication Scale on crankshaft damper
Ignition timing 2° BTDC


Clutch
Clutch type Borg & Beck or Automatic
Clutch linings -


Brakes
Brake type Lockheed Hydraulic vac-servo assisted or Dunlop Disc
Brake linings Ferodo MS3 (drum); Mintex M33 (pads)


Wheel Alignment
Toe-In 0" to 1⁄16"
Camber ½° to 1° positive
Caster angle ½° to 1° negative
King pin angle 6¾°


XK150 (1957-59)
Engine
Bore & Stroke 83mm x 106mm
Displacement 3442cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU HD6 (twin)
Needles TL


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Gauge engages with groove in camshaft, engine on TDC
Intake valve opens 15° BTDC at 0.010" tappet clearance


Ignition
Breaker gap 0.014" - 0.016"
Plug gap 0.025"
Ignition timing indication Scale on crankshaft damper
Ignition timing 6° BTDC


Clutch
Clutch type Borg & Beck 10"
Clutch linings -


Brakes
Brake type Dunlop disc
Brake linings Ferodo DS5


Wheel Alignment
Toe-In 0" to 1⁄8"
Camber ½° to 1° positive
Caster angle 1½° to 2° positive
King pin angle 5°


XK150S Gold Top Engine (1959)
Engine
Bore & Stroke 83mm x 106mm
Displacement 3442cc
Firing order 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine)
Oil pressure (hot) 40 lb./sq. in.


Fuel Supply
Carburetor SU HD8 (triple)
Needles UE


Valving
Intake tappet clearance 0.004" (cold)
Exhaust tappet clearance 0.006" (cold)
Valve-timing indication Gauge engages with groove in camshaft
Intake valve opens 15° BTDC at 0.010" clearance


Ignition
Breaker gap 0.014" - 0.016"
Plug gap 0.025"
Ignition timing indication Scale on crankshaft damper
Ignition timing 9° BTDC (8:1 comp. ratio and 9:1 comp. ratio)


Clutch
Clutch type 10" Single Dry Plate
Clutch linings Special driven plate with cemented linings


Brakes
Brake type Dunlop disc
Brake linings Ferodo DS5


Wheel Alignment
Toe-In 0" to 1⁄8"
Camber ½° to 1°
Caster angle 1½° to 2°
King pin angle 5°